package org.servlet.ejercicio4;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class Servlet4a
 */
@WebServlet("/Servlet4a")
public class Servlet4a extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public Servlet4a() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		
		PrintWriter out = response.getWriter();
		String num1 = String.valueOf(request.getParameter("num1"));
		String num2 = String.valueOf(request.getParameter("num2"));

		if (num1.equalsIgnoreCase("")) {
			out.print("Los campos no puede estar vacios y deberan ser numericos.");
		} else if (num2.equalsIgnoreCase("")) {
			out.print("Los campos no puede estar vacios y deberan ser numericos.");
		} else {
			System.out.println(Integer.parseInt(num1));
			int a = Integer.valueOf(num1);
			int b = Integer.valueOf(num2);
			out.print(request.getParameter("name")+" el resultado : " + String.valueOf(a + b));
		}
	}

}
